Home / 52,162,876.80-78,244,315.20-18,072,892.80

Finding the Fourth Proportional to 52,162,876.80, 78,244,315.20 and 18,072,892.80

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Solution

The fourth proportional to 52,162,876.80, 78,244,315.20 and 18,072,892.80 is: 27,109,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,162,876.80 : 78,244,315.20 = 18,072,892.80 : x
  2. Step 2: Convert to fraction form
    52,162,876.80/78,244,315.20 = 18,072,892.80/x
  3. Step 3: Cross multiply
    52,162,876.80x = 78,244,315.20 × 18,072,892.80
  4. Step 4: Simplify right side
    52,162,876.80x = 1,414,101,120,819,010.75
  5. Step 5: Solve for x
    x = 1,414,101,120,819,010.75/52,162,876.80
  6. Step 6: Final answer
    x = 27,109,339.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.